Wire cable.



J. B; STONE. WIRE GABLE- I APPLIQATIOK FILED 0012 9, 1912.

1,089,684. Patented-Mar. 10, 1914.

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WITNESSES: 1% 2 W9. 42, fw

UNITED STATES PAEEENT OFFICE.

JAMES B. STONE, OF FRESNO, CALIFORNIA.

WERE CABLE.

Specification of Letters Patent.

Patented Mar. 10, 1914.

Application filed October 8, 1912. Serial No. 724,788.

7 once being had therein to the accompanying drawings, forming a part ofthis specifica- My invention relates to metal cables whichtric'currents, and its Objects are to provide cables that are light inweight, strong, readily flexed, stable in structure, and have freesurfaces of unusual extent.

In the accompanying drawing, which forms a part of this specification,Figure 1 is a cross sectional view and Fig. 2 is a side view of a singlestrand, used in the various Combinations forming my cable or rod,consisting offiat wire or relatively thin metal strip twisted about itsown axis into augerlike form. Figs. 3, 4:, 5, 6 and 7 are crosssectional views of the more simple forms of construction of my rod,where two or more of the single strands (Figs. 1 and 2) are twisted orlaid together spirally. Fig. 8 is a cross sectional view at a, Fig. 9,of a cable or rod composed of a four strand cable (Fig. used as a core,covered with ten strands laid spirally about said core, forming a cableor rod of fourteen strands. Fig. 9 is a. side view of the same with aportion having the outer covering strands removed to show the core. Fig.10 is'a cross sectional view of the cable at Z) Various othercombinations of strands may be made composed wholly of spiraled,metallic, flat wires or strips, or in combination with strands of otherforms, to form the cable or rod.

' The form of the metallic wire or strip as vhown in Fig. 1 isapproximately a parallelogram with rounded edges. but I-do not limitmyself to that particular form, as the some lQHiltS may be obtained ifthe sides are curved or indented, the essential feature being that thewidth of the metallic wire or strip shall materially exceed itsthickness.

It is evident that by the use of a spirally twisted, flattened wire orstrip, in the place of a round wire of diameter equal to the stripswidth, in any of the above combinations forming a cable or rod, the sizeof the cable or rod will remain the same, the metallic surface andflexibility will be increased, and the weight of the cable or redreduced to one-fourth'(or even less) of its original weight, dependingupon the thickness of the flattened metallic wire or strip.

I am aware that a spirally twisted flattoned metallic wire or strip asshown in Figs. 1 and 2 is not novel, and also that it has been used as acore in a cable or rod, as in my former Patent No. 675116, dated May 28,1901, but so far as]: am aware it never has been used as a componentelement of the cable itself, by being twisted or laid spirally withother elements or strands to form a cable or .-rod.

I do not limit myself to the use of any particular metal in theconstruction of my rod or cable, either wholly or in part, nor in thelength of pitch or direction of the spirals in the single spiraledstrand.;or any combination of strands in forming my cable or rod.

Having fully described my invention, I claim and desire to secure byLetters Patent:

1. A series of relatively thin metal strips each twisted about its ownaxis and all united, with their broader surfaces free from each other,to form a metal cable.

2. A cable for conducting electric currents, consisting of a series ofrelatively thin metal strips, each twisted to auger lilte form. lyingside by side with their edges only in Contact and together forming acable cylindrical'in general shape.

In a flexible cable for transmitting electric currents, the combinationwith a central core member, of a series of members each consisting of aiiat strip twisted to augerlike form and all passing spirally about saidcore member to form a cable.

JAMES B. STONE.

Witnesses:

MARIAN A BERTSON, T. R. THOMSON.

(topic: or! thin patent may "no obtained for live cents each, "byaddressing the Commlnioner of intents. Washington, D. 0.

